Gigabytes to Bytes (GB to B) Converter
1 gigabyte (GB) = 1,073,741,824 bytes (B). To convert gigabytes to bytes, multiply by 1,073,741,824: 128 GB × 1,073,741,824 = 137,438,953,472 B.
Quick facts
- 1 GB = 1,073,741,824 B
- 1 B = 0.0000000009 GB
- Formula: B = GB × 1,073,741,824
- Quick estimate: multiply by about 1073741824
How to convert gigabytes to bytes
- Take the value in gigabytes.
- Multiply it by 1,073,741,824 (the number of bytes in one gigabyte).
- Round the result to the precision you need.
Worked example (a phone's storage): 128 GB × 1,073,741,824 = 137438953472 B.
To convert bytes back to gigabytes, multiply by 0.0000000009, or divide by 1,073,741,824.
Source: IEC 80000-13 for binary (1,024-based) and decimal (1,000-based) prefixes; this site uses the binary convention shown in each definition.
Gigabytes to Bytes conversion table
| Gigabytes [GB] | Bytes [B] |
|---|---|
| 0.001 GB | 1073741.824 B |
| 0.01 GB | 10737418.2400000002 B |
| 0.1 GB | 107374182.400000006 B |
| 0.5 GB | 536870912 B |
| 1 GB | 1073741824 B |
| 2 GB | 2147483648 B |
| 5 GB | 5368709120 B |
| 10 GB | 10737418240 B |
GB to B chart from 1 to 100
- 1 GB 1073741824 B
- 2 GB 2147483648 B
- 3 GB 3221225472 B
- 4 GB 4294967296 B
- 5 GB 5368709120 B
- 6 GB 6442450944 B
- 7 GB 7516192768 B
- 8 GB 8589934592 B
- 9 GB 9663676416 B
- 10 GB 10737418240 B
- 11 GB 11811160064 B
- 12 GB 12884901888 B
- 13 GB 13958643712 B
- 14 GB 15032385536 B
- 15 GB 16106127360 B
- 16 GB 17179869184 B
- 17 GB 18253611008 B
- 18 GB 19327352832 B
- 19 GB 20401094656 B
- 20 GB 21474836480 B
- 25 GB 26843545600 B
- 30 GB 32212254720 B
- 35 GB 37580963840 B
- 40 GB 42949672960 B
- 45 GB 48318382080 B
- 50 GB 53687091200 B
- 55 GB 59055800320 B
- 60 GB 64424509440 B
- 65 GB 69793218560 B
- 70 GB 75161927680 B
- 75 GB 80530636800 B
- 80 GB 85899345920 B
- 85 GB 91268055040 B
- 90 GB 96636764160 B
- 95 GB 102005473280 B
- 100 GB 107374182400 B
Bytes to Gigabytes conversion table
| Bytes [B] | Gigabytes [GB] |
|---|---|
| 1 B | 9.313226E-1 GB |
| 10 B | 0.0000000093 GB |
| 100 B | 0.0000000931 GB |
| 1000 B | 0.0000009313 GB |
| 10000 B | 0.0000093132 GB |
| 100000 B | 0.0000931323 GB |
| 1000000 B | 0.0009313226 GB |
Gigabytes vs Bytes
| Gigabyte | Byte | |
|---|---|---|
| Symbol | GB | B |
| Equals | 1 GB = 1,073,741,824 B | 1 B = 0.0000000009 GB |
What is a gigabyte?
Equal to 1,024 megabytes (2^30 bytes, the binary convention; drive makers use 10^9 bytes, formally written GiB for the binary value). Used for phone storage, RAM, and video files.
What is a byte?
Equal to 8 bits, commonly representing a single character. The base unit for measuring file and storage sizes.
Frequently asked questions
How many bytes are in a gigabyte?
There are 1,073,741,824 bytes in 1 gigabyte (1 GB = 1073741824 B).
How many gigabytes are in a byte?
There are 0.0000000009 gigabytes in 1 byte (1 B = 9.313226E-1 GB).
How do I convert gigabytes to bytes?
Multiply the number of gigabytes by 1,073,741,824. For example, 10 GB × 1,073,741,824 = 10,737,418,240 B. To convert back, multiply by 0.0000000009.
What is 10 GB in bytes?
10 GB = 10,737,418,240 B.
What is 100 GB in bytes?
100 GB = 107,374,182,400 B.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (IEC 80000-13 for binary (1,024-based) and decimal (1,000-based) prefixes; this site uses the binary convention shown in each definition). Results are shown to up to 10 decimal places; round them to suit your purpose.
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